US Bridges

FAI 74 SB over 36th Ave - Moline

Fair

Rock Island County, Illinois · S Edge Moline · Structure no. 081010900000000

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
3 main spans
Daily traffic
19,750
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 74 SB over 36th Ave - Moline is a steel continuous stringer/multi-beam or girder carrying FAI 74 SB over 36th Ave - Moline in Rock Island County, Illinois. It was built in 1973, so it is 52 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,750 vehicles a day, roughly 5% of them trucks, projected to reach 20,705 by 2046. The structure is 150 ft (45.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 74 SB
Crosses36th Ave - Moline
LocationS Edge Moline
RouteInterstate 74
Coordinates41.47514, -90.49436
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length150 ft (45.6 m)
Longest span64 ft (19.4 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,750 (2023)
Projected traffic20,705 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI 74 SB over 36th Ave - Moline built?

It was built in 1973, making it 52 years old in 2025.

What condition is FAI 74 SB over 36th Ave - Moline in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does FAI 74 SB over 36th Ave - Moline carry?

About 19,750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FAI 74 SB over 36th Ave - Moline?

The structure is 150 ft (45.6 m) long with a longest span of 64 ft (19.4 m) and a deck 50 ft wide.

Who owns FAI 74 SB over 36th Ave - Moline?

It is owned by the State Highway Agency.